Answer: A. Global Positioning Satellite (GPS) and two-way radio
The two instruments that were used and that were made navigation convenient and easier in 1990s are the GPS and the two-way radio. GPS is a tracking system using Global Navigation Satellite System.
I believe it is an example of check and balances. Checks and balances, principle of government under which separate branches are empowered to prevent actions by other branches and are induced to share power. They are applied primarily in constitutional governments. The system of check and balances is used to keep the government from getting too powerful in one branch. For example, the Executive Branch can veto bills from the Legislative Branch, but the Legislative Branch can override the veto.
One reason why the Middle colonies had such a diverse European population was because "<span>b. The Middle colonies had a policy of religious toleration," although it also had to do with trading. </span>
Answer:
C.
Explanation: The reason of the downfall of the Dutch Republic can include the costs of the competitition with England for sea hegemony, the attacks from France and the involvemenet of the Republic in different conflicts with other nations.
The participation of the Dutch Republic in all those wars eventually led to a stalemate of the once richest nation of the world, thus, its competitors like France, had a perfect opportunity to invade it.